jakarta.validation.Constraint constraint = CronExpression.class.getAnnotation(jakarta.validation.Constraint.class);
        assertNotNull(constraint);
        Class<?>[] validators = constraint.validatedBy();
        assertEquals(1, validators.length);
        assertEquals(CronExpressionValidator.class, validators[0]);
    }

    // Test validation with valid cron expressions
    @Test

        assertNotNull(constraint, "Constraint annotation should be present");
        assertEquals("Validator class should be UriTypeValidator", UriTypeValidator.class, constraint.validatedBy()[0]);
        assertEquals("Should have exactly one validator", 1, constraint.validatedBy().length);
    }

    // Test default values
    @Test
    public void test_defaultValues() throws Exception {

        assertNotNull(constraint, "Constraint annotation should be present");
        assertEquals("Validator class should be CustomSizeValidator", CustomSizeValidator.class, constraint.validatedBy()[0]);
    }

    // Test default values
    @Test
    public void test_defaultValues() throws Exception {
        final Field field = CustomSizeTest.class.getDeclaredField("testField");

        }
        return redirect(getClass());
    }

    /**
     * Reloads the document index by closing and reopening it.
     *
     * @param form the action form (validated but not used for configuration)
     * @return HTML response redirecting to the maintenance page
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse reloadDocIndex(final ActionForm form) {

     * Only configured label values are accepted to prevent query injection.
     *
     * @param request the HTTP request
     * @return a map of field names to their validated filter values
     */
    protected Map<String, String[]> parseFieldFilters(final HttpServletRequest request) {
        final Map<String, String[]> fields = new HashMap<>();

            }

            // SECURITY WARNING: JWT signature validation is not implemented.
            // This is a critical security vulnerability. The ID token should be validated
            // to ensure it was issued by the expected OpenID Connect provider and has not been tampered with.
            // TODO: Implement JWT signature validation using the provider's public key

    }

    /**
     * Validates the OAuth2 state parameter.
     * @param session The HTTP session containing stored state data.
     * @param state The state parameter to validate.
     * @return The validated state data.
     */
    protected StateData validateState(final HttpSession session, final String state) {
        if (StringUtils.isNotEmpty(state)) {